# Smart Contracts **URL:** https://forum.cardano.org/c/developers/cardano-smart-contracts/148.md [Latest](https://forum.cardano.org/latest.md) · [Categories](https://forum.cardano.org/categories.md) · [Tags](https://forum.cardano.org/tags.md) --- ## [Marlowe resources and tools (playground, tutorials, documentation)](https://forum.cardano.org/t/marlowe-resources-and-tools-playground-tutorials-documentation/42704)
**Author:** [@adatainment](https://forum.cardano.org/u/adatainment)\ **Replies:** 63\ **Last updated:** [6 July 2023 11:30 UTC](https://forum.cardano.org/t/marlowe-resources-and-tools-playground-tutorials-documentation/42704 "2023-07-06T11:30:02Z")
The Marlowe playground: (browser-based environment to write and test smart contracts) https://alpha.marlowe.iohkdev.io/#/ Marlowe Tutorial (video-based), Simon Thompson personally guides you through the tutorial here: h… --- ## [About the Smart Contracts category](https://forum.cardano.org/t/about-the-smart-contracts-category/42684)
**Author:** [@adatainment](https://forum.cardano.org/u/adatainment)\ **Replies:** 1\ **Last updated:** [17 September 2024 09:37 UTC](https://forum.cardano.org/t/about-the-smart-contracts-category/42684 "2024-09-17T09:37:32Z")
Explore and engage in discussions focused on the Aiken, Marlowe, and Plutus smart-contract platforms, exclusively for the Cardano blockchain community. Dive into detailed conversations, share insights, and collaborate on… --- ## [Zero-Knowledge at the Protocol Layer: Privacy + Throughput](https://forum.cardano.org/t/zero-knowledge-at-the-protocol-layer-privacy-throughput/153445)
**Author:** [@mechack8pro](https://forum.cardano.org/u/mechack8pro)\ **Replies:** 0\ **Last updated:** [4 March 2026 10:54 UTC](https://forum.cardano.org/t/zero-knowledge-at-the-protocol-layer-privacy-throughput/153445 "2026-03-04T10:54:19Z")
Hello community :waving\_hand: We just published a deep dive into zero-knowledge blockchain architecture. The article covers: • How zk-SNARKs enable non-interactive verification • How Proof-of-Stake integrates with ZK… --- ## [Marlowe: The Easiest Gateway to Cardano Smart Contracts](https://forum.cardano.org/t/marlowe-the-easiest-gateway-to-cardano-smart-contracts/152670)
**Author:** [@mwatsimulamo](https://forum.cardano.org/u/mwatsimulamo)\ **Replies:** 6\ **Last updated:** [21 January 2026 18:01 UTC](https://forum.cardano.org/t/marlowe-the-easiest-gateway-to-cardano-smart-contracts/152670 "2026-01-21T18:01:58Z")
Hello Cardano community I’m happy to share my very first article published on Eightblock, a Cardano-native publishing platform. The article is titled “Marlowe: The Easiest Gateway to Cardano Smart Contracts”, and it is… --- ## [Inability to consume script UTxO](https://forum.cardano.org/t/inability-to-consume-script-utxo/151753)
**Author:** [@Apply\_Your\_Imaginati](https://forum.cardano.org/u/Apply_Your_Imaginati)\ **Replies:** 0\ **Last updated:** [7 December 2025 21:27 UTC](https://forum.cardano.org/t/inability-to-consume-script-utxo/151753 "2025-12-07T21:27:17Z")
Hi all, I’ve experienced a phenomenon that now seems like a jinx from my point of view. I have a validator that I’ve written in both PlutusTx and Aiken, with their offchain code implemented using Atlas PAB and Mesh, re… --- ## [HASKELL & PLUTUS – Strengthening Cardano Through Skills and Local Capacity Building](https://forum.cardano.org/t/haskell-plutus-strengthening-cardano-through-skills-and-local-capacity-building/151493)
**Author:** [@mwatsimulamo](https://forum.cardano.org/u/mwatsimulamo)\ **Replies:** 10\ **Last updated:** [4 December 2025 09:21 UTC](https://forum.cardano.org/t/haskell-plutus-strengthening-cardano-through-skills-and-local-capacity-building/151493 "2025-12-04T09:21:37Z")
Growing the Cardano ecosystem by bringing in more members is important — but building strong technical skills within the community remains a strategic priority. On November 26, 2025, we organized another online open … --- ## [\[Release\] Open-Source DeFi Smart Contract Library — Build Lending Protocols Faster on Cardano](https://forum.cardano.org/t/release-open-source-defi-smart-contract-library-build-lending-protocols-faster-on-cardano/151129)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 1\ **Last updated:** [30 November 2025 19:55 UTC](https://forum.cardano.org/t/release-open-source-defi-smart-contract-library-build-lending-protocols-faster-on-cardano/151129 "2025-11-30T19:55:31Z")
TrustLevel is excited to share the first stable release of the DeFi Smart Contract Library — an open-source framework for developers who want to build institutional-grade DeFi lending protocols on Cardano without startin… --- ## [Trying to Create a Smart Contract on Cardano as a Developer Outside Intersect (Post-Chang2)](https://forum.cardano.org/t/trying-to-create-a-smart-contract-on-cardano-as-a-developer-outside-intersect-post-chang2/144976)
**Author:** [@GrahamsNumberPlus1](https://forum.cardano.org/u/GrahamsNumberPlus1)\ **Replies:** 14\ **Last updated:** [28 July 2025 21:25 UTC](https://forum.cardano.org/t/trying-to-create-a-smart-contract-on-cardano-as-a-developer-outside-intersect-post-chang2/144976 "2025-07-28T21:25:59Z")
Trying to Create a Smart Contract on Cardano as a Developer Outside Intersect (Post-Chang2) Anyone with a reasonable technical background and some programming experience ever tried to create a smart contract on Cardano?… --- ## [Implementing Cardano Smart Contracts for Ethical Blockchain-Based Sports Betting Platform — Need Help on Final Integration](https://forum.cardano.org/t/implementing-cardano-smart-contracts-for-ethical-blockchain-based-sports-betting-platform-need-help-on-final-integration/147087)
**Author:** [@santhosh](https://forum.cardano.org/u/santhosh)\ **Replies:** 1\ **Last updated:** [2 July 2025 00:10 UTC](https://forum.cardano.org/t/implementing-cardano-smart-contracts-for-ethical-blockchain-based-sports-betting-platform-need-help-on-final-integration/147087 "2025-07-02T00:10:46Z")
Hi everyone, We’re close to completing a blockchain-based sports betting platform — about 90% done — and have chosen to implement our smart contract layer on Cardano due to its cost-efficiency, scalability, and the bene… --- ## [Technical Discussion: 'Phygital' NFTs for Luxury Goods on Cardano](https://forum.cardano.org/t/technical-discussion-phygital-nfts-for-luxury-goods-on-cardano/146894)
**Author:** [@Knall\_Daniel](https://forum.cardano.org/u/Knall_Daniel)\ **Replies:** 0\ **Last updated:** [20 June 2025 14:12 UTC](https://forum.cardano.org/t/technical-discussion-phygital-nfts-for-luxury-goods-on-cardano/146894 "2025-06-20T14:12:07Z")
Hello everyone, My name is Daniel, a founder with a background in IT, and I’m in the early stages of a project called Luxora. Our vision is to build a platform on Cardano that connects physical luxury goods (like niche… --- ## [Distribution Fungible Tokens](https://forum.cardano.org/t/distribution-fungible-tokens/131198)
**Author:** [@Andrew16b](https://forum.cardano.org/u/Andrew16b)\ **Replies:** 0\ **Last updated:** [4 May 2024 02:11 UTC](https://forum.cardano.org/t/distribution-fungible-tokens/131198 "2024-05-04T02:11:25Z")
Launching a token distribution initiative on the Cardano network to 5,000 wallets Scripting for Token Distribution: You will need to devise a script that streamlines the process of minting your tokens and dispatching th… --- ## [Need help to deploy a SC. Simple, quick return](https://forum.cardano.org/t/need-help-to-deploy-a-sc-simple-quick-return/141659)
**Author:** [@QuanTheo\_Co\_ltd](https://forum.cardano.org/u/QuanTheo_Co_ltd)\ **Replies:** 0\ **Last updated:** [6 January 2025 05:41 UTC](https://forum.cardano.org/t/need-help-to-deploy-a-sc-simple-quick-return/141659 "2025-01-06T05:41:55Z")
I would be happy to share fees with the dev that would deploy that SC for me. This is just a exemple. Final SC once I found the right dev. Fees price are not defined yet. Need to be discust. --- ## [What do Martin Lawrence, Snoop Dogg, and emerging artists have in common, and how can Cardano help?](https://forum.cardano.org/t/what-do-martin-lawrence-snoop-dogg-and-emerging-artists-have-in-common-and-how-can-cardano-help/138593)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 1\ **Last updated:** [29 November 2024 10:11 UTC](https://forum.cardano.org/t/what-do-martin-lawrence-snoop-dogg-and-emerging-artists-have-in-common-and-how-can-cardano-help/138593 "2024-11-29T10:11:14Z")
What do Martin Lawrence, Snoop Dogg, and emerging artists have in common? To advance their careers, they are at the mercy of someone else . In an interview, Snoop once commented that, in the music business, it takes a… --- ## [The MeshJS open source solution for the NFT vending machine problem](https://forum.cardano.org/t/the-meshjs-open-source-solution-for-the-nft-vending-machine-problem/138193)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [6 November 2024 04:10 UTC](https://forum.cardano.org/t/the-meshjs-open-source-solution-for-the-nft-vending-machine-problem/138193 "2024-11-06T04:10:52Z")
A few months ago we successfully developed a series of standard contracts in Aiken, which offer solutions to use cases without a significant number of moving parts. Currently, we are expanding our collection of Aiken … --- ## [Calling all Cardano Devs! Two days left to fill out the State of the Cardano Developer Ecosystem Survey 2024](https://forum.cardano.org/t/calling-all-cardano-devs-two-days-left-to-fill-out-the-state-of-the-cardano-developer-ecosystem-survey-2024/137432)
**Author:** [@Jakob\_Gideon](https://forum.cardano.org/u/Jakob_Gideon)\ **Replies:** 0\ **Last updated:** [17 October 2024 12:31 UTC](https://forum.cardano.org/t/calling-all-cardano-devs-two-days-left-to-fill-out-the-state-of-the-cardano-developer-ecosystem-survey-2024/137432 "2024-10-17T12:31:20Z")
Participate in the 2024 edition of the Cardano Developer Ecosystem Survey! The Cardano developer community continues to drive innovation and share knowledge, helping to build a thriving and resilient ecosystem. To su… --- ## [Report on Timeliness Constraints](https://forum.cardano.org/t/report-on-timeliness-constraints/137176)
**Author:** [@Kevin\_Hammond](https://forum.cardano.org/u/Kevin_Hammond)\ **Replies:** 0\ **Last updated:** [14 October 2024 09:57 UTC](https://forum.cardano.org/t/report-on-timeliness-constraints/137176 "2024-10-14T09:57:10Z")
In Cardano, a lot of attention has been given to both block propagation performance and the time required to catch up securely with the current chain. For transactions, however, only the question of overall throughput ha… --- ## [How to make cbor-encoded string for datum with key and value?](https://forum.cardano.org/t/how-to-make-cbor-encoded-string-for-datum-with-key-and-value/126866)
**Author:** [@Eagering\_Dev](https://forum.cardano.org/u/Eagering_Dev)\ **Replies:** 8\ **Last updated:** [25 September 2024 15:46 UTC](https://forum.cardano.org/t/how-to-make-cbor-encoded-string-for-datum-with-key-and-value/126866 "2024-09-25T15:46:00Z")
Hello, how are you? I have a datum which is object type (key-value pair) When I make the cbor encoded string for datum using lucid-cardano library, it actually generate the hex string without the keys, and just keep th… --- ## [Mesh Presents: “An Aiken Library To Make Devs’ day-to-day Lives Easier” | Today’s contract: Giftcard](https://forum.cardano.org/t/mesh-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-today-s-contract-giftcard/134786)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 1\ **Last updated:** [17 September 2024 09:42 UTC](https://forum.cardano.org/t/mesh-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-today-s-contract-giftcard/134786 "2024-09-17T09:42:18Z")
What use case more susceptible to touch the nerve of the real economy than facilitating the usage of Giftcards? :credit\_card:Giftcards: practical for all occasions. Let’s explore this scenario by deploying one of the… --- ## [Cardano Smart Contracts Development Survey Latest](https://forum.cardano.org/t/cardano-smart-contracts-development-survey-latest/134728)
**Author:** [@wimscardano](https://forum.cardano.org/u/wimscardano)\ **Replies:** 0\ **Last updated:** [4 August 2024 09:20 UTC](https://forum.cardano.org/t/cardano-smart-contracts-development-survey-latest/134728 "2024-08-04T09:20:16Z")
Keeping up to date with Cardano Smart Contract Development needs is what Intersect MBO Developer Adocate programme is all about. May you assist by completing this form Cardano Developer Advocate - Intersect MBO: Accelera… --- ## [Mesh Presents: "An Aiken Library To Make Devs' day-to-day Lives Easier" | Today's contract: Payment Splitter](https://forum.cardano.org/t/mesh-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-todays-contract-payment-splitter/134011)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [10 July 2024 22:15 UTC](https://forum.cardano.org/t/mesh-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-todays-contract-payment-splitter/134011 "2024-07-10T22:15:08Z")
Use cases are named as such because observers can easily see them represented in the real world, providing solutions for their day-to-day lives. There has been no more common use case in human societies of all times tha… --- ## [The Mesh team present: "An Aiken library to make devs' day-to-day lives 🌤️easier" | Today's contract: Swap](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-todays-contract-swap/133967)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [9 July 2024 15:49 UTC](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-todays-contract-swap/133967 "2024-07-09T15:49:34Z")
Isn’t the Swap contract a manifestation of the understanding and reconciliation that we as Cardano ecosystem want to bring to the world? Two parties agree, and the contract ensures that both honor the agreement. Its s… --- ## [Cardano-cli ScriptDataBytes object](https://forum.cardano.org/t/cardano-cli-scriptdatabytes-object/121399)
**Author:** [@VEGAS\_Pool](https://forum.cardano.org/u/VEGAS_Pool)\ **Replies:** 1\ **Last updated:** [13 June 2024 15:13 UTC](https://forum.cardano.org/t/cardano-cli-scriptdatabytes-object/121399 "2024-06-13T15:13:21Z")
Hi all, Does anyone know and able to explain to me how the ScriptDataBytes value is encoded as part of a query of an address as part of a cardano-cli call return? i.e. ReferenceTxInsScriptsInlineDatumsInBabbageEra is r… --- ## [The Mesh team present: "An Aiken library to make devs' day-to-day lives🌤️easier" | Contract: Vesting](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-contract-vesting/133771)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [4 July 2024 18:36 UTC](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-contract-vesting/133771 "2024-07-04T18:36:33Z")
Through the utilization of vesting contracts, organizations establish a mechanism to encourage employee retention by linking financial rewards to tenure. Let’s try it. Your role: employer. Step 1: Go to Vesting Step… --- ## [The Mesh team present: "An Aiken library to make devs' day-to-day lives🌤️easier" | Contract: Escrow](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-contract-escrow/133665)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [1 July 2024 22:51 UTC](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-contract-escrow/133665 "2024-07-01T22:51:43Z")
The Escrow contract is the trusted intermediary that allows two parties to safely exchange assets, holding them until both parties agree and sign the Tx. Let’s try it! To do so, you’ll need two preprod wallets (to simul… --- ## [The Mesh team presents: An Aiken library to make devs' day-to-day lives 🌤️easier" series (part 2)](https://forum.cardano.org/t/the-mesh-team-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-series-part-2/133482)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [26 June 2024 13:28 UTC](https://forum.cardano.org/t/the-mesh-team-presents-an-aiken-library-to-make-devs-day-to-day-lives-easier-series-part-2/133482 "2024-06-26T13:28:57Z")
In the second part of this series, we will delve into the endpoints of the Marketplace contract. This contract is part of a suite of Aiken smart contracts built to redefine reusability and developer engagement, settin… --- ## [The Mesh team present: "An Aiken library to make devs' day-to-day lives easier" series](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-series/133386)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [24 June 2024 13:55 UTC](https://forum.cardano.org/t/the-mesh-team-present-an-aiken-library-to-make-devs-day-to-day-lives-easier-series/133386 "2024-06-24T13:55:14Z")
Today: the Marketplace contract This marketplace allows anyone to buy and sell native assets such as NFTs. Step 1: go to https://meshjs.dev/smart-contracts/marketplace Step 2: go to “Mint a token to try the demo” a… --- ## [Mesh Live Coding sessions: tomorrow at 13:00 UTC](https://forum.cardano.org/t/mesh-live-coding-sessions-tomorrow-at-13-00-utc/133160)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [18 June 2024 03:16 UTC](https://forum.cardano.org/t/mesh-live-coding-sessions-tomorrow-at-13-00-utc/133160 "2024-06-18T03:16:04Z")
:surfing\_woman:Follow the fine wire that, using the Andamio platform, Gimbalabs has crafted to explore one of the most versatile libraries in the Cardano dev ecosystem: the MeshJS Library. :round\_pushpin: Level 1 - Buil… --- ## [Mesh Live Coding, every tuesday at 13:00 UTC](https://forum.cardano.org/t/mesh-live-coding-every-tuesday-at-13-00-utc/129933)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [1 April 2024 23:21 UTC](https://forum.cardano.org/t/mesh-live-coding-every-tuesday-at-13-00-utc/129933 "2024-04-01T23:21:42Z")
Want to learn about the MeshJS library? Join our weekly Live Coding sessions on this versatile Cardano library. Mesh Live Coding aims to help people try out new things and learn. Everyone is welcome to join and explo… --- ## [Do we have auto send coin on Cardano? automatic sending feature](https://forum.cardano.org/t/do-we-have-auto-send-coin-on-cardano-automatic-sending-feature/129374)
**Author:** [@Crypto\_Video\_live](https://forum.cardano.org/u/Crypto_Video_live)\ **Replies:** 1\ **Last updated:** [21 March 2024 18:10 UTC](https://forum.cardano.org/t/do-we-have-auto-send-coin-on-cardano-automatic-sending-feature/129374 "2024-03-21T18:10:11Z")
Do we have auto send coin on Cardano? I mean feature when you can set time for your coin to be sent automatically to a specific wallet you save in your setting. For example, it will send every month or every day setting… --- ## [Gimbalabs series: Create, Deploy, and Manage your own Plutus contracts effectively - Part 3](https://forum.cardano.org/t/gimbalabs-series-create-deploy-and-manage-your-own-plutus-contracts-effectively-part-3/129138)
**Author:** [@Sebastian\_Pabon](https://forum.cardano.org/u/Sebastian_Pabon)\ **Replies:** 0\ **Last updated:** [16 March 2024 21:19 UTC](https://forum.cardano.org/t/gimbalabs-series-create-deploy-and-manage-your-own-plutus-contracts-effectively-part-3/129138 "2024-03-16T21:19:43Z")
日本語版はスクロールダウンしてください。 Fig 1. Gimbalabs Plutus PBL In the final part of this comprehensive three-part series, created and taught by the Gimbalabs instructor M. Ali Modiri, a.k.a Professor Mix, as part of the Gimbalabs… [Next page](https://forum.cardano.org/c/developers/cardano-smart-contracts/148.md?page=1)